[Bug 407862] Re: Messages not being sent to system logs

[Nikolaus Rath]

[0] spitzer:~# logger testing

[0] spitzer:~# tail -2 /var/log/syslog
 10:08:48 beta AptDaemon: INFO: Shutdown was requested
Sep  7 10:09:42 spitzer root: testing

[0] spitzer:~# logrotate --force --verbose /etc/logrotate.conf
reading config file /etc/logrotate.conf
compress_prog is now /bin/bzip2
uncompress_prog is now /bin/bunzip2
compress_ext is now .bz2
reading config info for /var/log/wtmp 
reading config info for /var/log/btmp 
reading config info for /var/log/syslog


Handling 3 logs

rotating pattern: /var/log/wtmp  forced from command line (1 rotations)
empty log files are not rotated, only log files >= 131072 bytes are rotated, old logs are removed
considering log /var/log/wtmp
  log needs rotating
rotating log /var/log/wtmp, log->rotateCount is 1
dateext suffix '-20110907'
glob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'
compressing log with: /bin/bzip2
renaming /var/log/wtmp.1.bz2 to /var/log/wtmp.2.bz2 (rotatecount 1, logstart 1, i 1), 
renaming /var/log/wtmp.0.bz2 to /var/log/wtmp.1.bz2 (rotatecount 1, logstart 1, i 0), 
old log /var/log/wtmp.0.bz2 does not exist
renaming /var/log/wtmp to /var/log/wtmp.1
creating new /var/log/wtmp mode = 0664 uid = 0 gid = 43
removing old log /var/log/wtmp.2.bz2

rotating pattern: /var/log/btmp  forced from command line (1 rotations)
empty log files are not rotated, only log files >= 131072 bytes are rotated, old logs are removed
considering log /var/log/btmp
  log needs rotating
rotating log /var/log/btmp, log->rotateCount is 1
dateext suffix '-20110907'
glob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'
compressing log with: /bin/bzip2
renaming /var/log/btmp.1.bz2 to /var/log/btmp.2.bz2 (rotatecount 1, logstart 1, i 1), 
renaming /var/log/btmp.0.bz2 to /var/log/btmp.1.bz2 (rotatecount 1, logstart 1, i 0), 
old log /var/log/btmp.0.bz2 does not exist
renaming /var/log/btmp to /var/log/btmp.1
creating new /var/log/btmp mode = 0660 uid = 0 gid = 43
removing old log /var/log/btmp.2.bz2

rotating pattern: /var/log/syslog
 forced from command line (4 rotations)
empty log files are not rotated, only log files >= 131072 bytes are rotated, old logs are removed
considering log /var/log/syslog
  log needs rotating
rotating log /var/log/syslog, log->rotateCount is 4
dateext suffix '-20110907'
glob pattern '-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'
compressing log with: /bin/bzip2
renaming /var/log/syslog.4.bz2 to /var/log/syslog.5.bz2 (rotatecount 4, logstart 1, i 4), 
renaming /var/log/syslog.3.bz2 to /var/log/syslog.4.bz2 (rotatecount 4, logstart 1, i 3), 
renaming /var/log/syslog.2.bz2 to /var/log/syslog.3.bz2 (rotatecount 4, logstart 1, i 2), 
renaming /var/log/syslog.1.bz2 to /var/log/syslog.2.bz2 (rotatecount 4, logstart 1, i 1), 
renaming /var/log/syslog.0.bz2 to /var/log/syslog.1.bz2 (rotatecount 4, logstart 1, i 0), 
old log /var/log/syslog.0.bz2 does not exist
renaming /var/log/syslog to /var/log/syslog.1
creating new /var/log/syslog mode = 0664 uid = 0 gid = 4
running postrotate script
removing old log /var/log/syslog.5.bz2

[0] spitzer:~# logger testing
[0] spitzer:~# tail /var/log/syslog
[0] spitzer:~# tail -2 /var/log/syslog.1 
Sep  7 10:08:48 beta AptDaemon: INFO: Shutdown was requested
Sep  7 10:09:42 spitzer root: testing


==> no more messages in syslog.

Note that for testing I disabled inclusion of logrotate.d in
logrotate.conf and just added one entry for syslog to logrotate.conf
directly:

# system-specific logs may be configured here
/var/log/syslog
{
    postrotate
>-------reload rsyslog >/dev/null 2>&1 || true
    endscript
    sharedscripts
}

Replacing the "reload" with "restart" works around the problem.


** Changed in: rsyslog (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/407862

Title:
  Messages not being sent to system logs

Status in Rsyslog:
  Fix Released
Status in “rsyslog” package in Ubuntu:
  Confirmed

Bug description:
  First reported on Ubuntu 9.10 Alpha3
  It affects Ubuntu 10.04 Lucid Lynx Final Release, too.

  rsyslogd: [origin software="rsyslogd" swVersion="4.2.0" x-pid="2296"
  x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type
  'lightweight'.

  After the above message in syslog no more messages are sent to any
  system logs. Plugging and unplugging an usb device produce no
  messages, although the device is mounted an works fine. Also, nothing
  is produced by the logger command.

  The problem occurs in a desktop and in a VirtualBox virtual machine.
  It occurred soon after karmic alpha 3 installation and persisted after
  installing all available updates in both environments.

  I'm attaching a typical syslog.

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